Obstacle-avoiding car
ElecFreaks Wonder Building Kit #4
Case 4 of the ElecFreaks Wonder Building Kit: a two-motor car with a ball caster that sees obstacles with the sonar:bit ultrasonic sensor. Turn it in 3D, build it step by step or open it in BrickLink Studio.
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Downloads
Building instructions (PDF)
Model for BrickLink Studio (zip)
BrickLink wanted list (XML)
Activity
Building guide
Custom parts for Studio
The Studio zip holds the model, the custom parts it needs and how to install them.
Building steps
The parts added in a step have a red outline.
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Parts
| Part | Colour | Where to get it | Qty |
|---|---|---|---|
| Technic Beam 5 x 3 H-shaped | Light Bluish Gray | BrickLink 14720 | 1 |
| Technic Pin with Friction with Perpendicular Pin Hole Type 1 | Black | BrickLink 15100 | 2 |
| Technic Pin with Friction and Slots | Black | BrickLink 2780 | 12 |
| Technic Pin 3/4 | Light Bluish Gray | BrickLink 32002 | 4 |
| Technic Beam 5 | Yellow | BrickLink 32316 | 1 |
| Technic Bush 1/2 Smooth with Axle Hole Reduced | Yellow | BrickLink 4265c | 2 |
| Technic Axle 3 | Light Bluish Gray | BrickLink 4519 | 2 |
| Tyre 22/ 14 x 30 ZR | Black | BrickLink 55978 | 2 |
| Wheel Rim 20 x 30 with 6 Spokes and External Ribs | Light Bluish Gray | BrickLink 56145 | 2 |
| Technic Beam 7 x 5 with Open Center 5 x 3 | Light Bluish Gray | BrickLink 64179 | 2 |
| Technic Ball Joint 2.25 Diameter Socket | Light Bluish Gray | BrickLink 92911 | 1 |
| Technic Steel Ball 18mm for Ball Castor | Light Bluish Gray | BrickLink 99948 | 1 |
| ElecFreaks Geekservo 2 kg motor (red) electronics | ElecFreaks | 2 | |
| ElecFreaks sonar:bit ultrasonic sensor electronics | 1 | ||
| ElecFreaks Wukong board on its 7 x 5 LEGO base electronics | ElecFreaks | 1 |